| 摘要 |
A voltage grading arrangement for lightning arresters particularly adapted for use in substations in which the conductors and the lightning arresters are enclosed within grounded metallic enclosures, the enclosures being filled with an "electronegative" gas such as sulphur hexafluoride (SF6) under pressure. The lightning arrester elements are enclosed in a porcelain housing and grading elements such as capacitors or resistors or both are disposed on the exterior of the porcelain housing and within the surrounding metal enclosure.
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